OTC Testing Flashcards
Factors Which May Increase LH Levels - Medications (3)
Menotropins
Clomiphene
GnRH agonist
Factors Which May Increase LH Levels - Other Causes (7)
Endometriosis Polycystic ovary syndrome Ovarian failure Hyperthyroidism (TSH) PTH and gonadotropin producing neoplasia Menopause Pregnancy
Factors Which May Decrease LH Levels
Danazol
• Estrogen/oral contraceptives
• Pituitary failure
• Certain hypothalmic defects
What causes High FSH Values - 3
Start of puberty
• Menopause
• Premature ovarian
failure
What causes Low FSH Values - 5
Prevents egg formation • Stress • Low body weight • Tumors of ovarian, hypothalamus, or pituitary gland • Polycystic ovary syndrome
Detection Window in Urine -Marijuana
/Cannabinoids
single use: 2 – 7 days
chronic use: 1 – 2 months
Detection Window in Urine -Cocaine
2 – 4 days
Detection Window in Urine -Morphine/Codeine
/Opiates
2 – 3 days
Detection Window in Urine -Phencyclidine (PCP)
14 days
chronic use: 30 days
Detection Window in Urine -Amphetamines
1 – 2 days
Urine Validity Testing - Markers: 4
Specific Gravity, Creatinine, Nitrites, pH
What Elevates Serum Creatinine - 9
Dehydration • Renal dysfunction • Urinary tract obstruction • Excess catabolism • Overexercising • Hyperthyroidism • Muscular dystrophy • Hyperpyrexia • Myasthenia gravis
What assays can be used to determine SCr levels? - 3
Jaffe Reaction, Enzymatic Essay, HPLC
- What clinical factors may justify 24-hour urine collection to calculate CrCl or GFR? - 6
Extremes of age and body size Severe malnutrition or obesity Disease of skeletal muscle Paraplegia or quadriplegia Vegetarian diet Pregnancy
What is BUN checked for? - 5
Presence or progression of kidney or liver
disease (renal function and catabolism in liver)
• Blockage of urine flow (renal function)
• Mental confusion (patients with kidney failure
are sometimes disoriented and confused)
• Abnormal loss of water from the body
dehydration (hydration)
• Recovery from severe burns